A noun usually denotes a thing, place, person, quality, or action. Common nouns refer to ordinary things (computer, box, wall, jug), whereas proper nouns refer to persons, specific things or specific places (Ashok, Delhi, Flute, England)..
A common noun names a general person, place or thing.
Examples: She explained the problem clearly.
The boy reads interesting novels.
Proper nouns are generally capitalized. Nouns have two common forms: singular and plural. Singular nouns refer to one object (paper), plural nouns refer to two or more objects (papers). Each noun form has a corresponding possessive form that is used to refer to the properties of the object
A proper noun names a specific person, place, or thing. Always capitalize the first letter of a proper noun.
Examples: Mohan went to Paris on a tour.
Mounika reads interesting novels